<div class="refentry" lang="en" xml:lang="en"><a id="glLoadIdentity"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glLoadIdentity — replace the current matrix with the identity matrix</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table><tr><td><code class="funcdef">void <b class="fsfunc">glLoadIdentity</b>(</code></td><td>  </td><td><var class="pdparam">void</var><code>)</code>;</td></tr></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p>
            <code class="function">glLoadIdentity</code> replaces the current matrix with the identity matrix.
            It is semantically equivalent to calling <a class="citerefentry" href="glLoadMatrix"><span class="citerefentry"><span class="refentrytitle">glLoadMatrix</span></span></a>
            with the identity matrix
        </p><p>
        </p><p>
            </p><div class="informalequation"><math overflow="scroll">

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                                </mtd>
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                                    <mn>0</mn>
                                </mtd>
                                <mtd>
                                    <mn>0</mn>
                                </mtd>
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                                    <mn>0</mn>
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                                    <mn>1</mn>
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                                </mtd>
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                                    <mn>0</mn>
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                                    <mn>0</mn>
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                                    <mn>1</mn>
                                </mtd>
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                                    <mn>0</mn>
                                </mtd>
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                                    <mn>0</mn>
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            </math></div><p>
        </p><p>
        </p><p>
            but in some cases it is more efficient.
        </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p>
            <code class="constant">GL_INVALID_OPERATION</code> is generated if <code class="function">glLoadIdentity</code>
            is executed between the execution of <a class="citerefentry" href="glBegin"><span class="citerefentry"><span class="refentrytitle">glBegin</span></span></a>
            and the corresponding execution of <a class="citerefentry" href="glEnd"><span class="citerefentry"><span class="refentrytitle">glEnd</span></span></a>.
        </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p>
            <a class="citerefentry" href="glGet"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_MATRIX_MODE</code>
        </p><p>
            <a class="citerefentry" href="glGet"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_COLOR_MATRIX</code>
        </p><p>
            <a class="citerefentry" href="glGet"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_MODELVIEW_MATRIX</code>
        </p><p>
            <a class="citerefentry" href="glGet"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_PROJECTION_MATRIX</code>
        </p><p>
            <a class="citerefentry" href="glGet"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_TEXTURE_MATRIX</code>
        </p></div>
        {$pipelinestall}{$examples}
        <div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p>
            <a class="citerefentry" href="glLoadMatrix"><span class="citerefentry"><span class="refentrytitle">glLoadMatrix</span></span></a>,
            <a class="citerefentry" href="glLoadTransposeMatrix"><span class="citerefentry"><span class="refentrytitle">glLoadTransposeMatrix</span></span></a>,
            <a class="citerefentry" href="glMatrixMode"><span class="citerefentry"><span class="refentrytitle">glMatrixMode</span></span></a>,
            <a class="citerefentry" href="glMultMatrix"><span class="citerefentry"><span class="refentrytitle">glMultMatrix</span></span></a>,
            <a class="citerefentry" href="glMultTransposeMatrix"><span class="citerefentry"><span class="refentrytitle">glMultTransposeMatrix</span></span></a>,
            <a class="citerefentry" href="glPushMatrix"><span class="citerefentry"><span class="refentrytitle">glPushMatrix</span></span></a>
        </p></div><div class="refsect1" lang="en" xml:lang="en"><div id="Copyright"><h2>Copyright</h2><p>
            Copyright © 1991-2006
            Silicon Graphics, Inc. This document is licensed under the SGI
            Free Software B License. For details, see
            <a class="ulink" href="https://web.archive.org/web/20171022161616/http://oss.sgi.com/projects/FreeB/" target="_top">https://web.archive.org/web/20171022161616/http://oss.sgi.com/projects/FreeB/</a>.
        </p></div></div></div>
